1. The survival value of perceptual reliability is so overwhelming that the first creatures to attain it would inherit their niche;The appeal to evolutionary considerations in the latter context has been challenged by Stich,1969
2. For a related point about the stability of common sense and its role in theory-change, see Campbell;Notes Bibliography Alspector-Kelly, M,1988
3. Philosophy and Common Sense;K Campbell;Philosophy,1988